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Thepotemich [5.8K]
3 years ago
15

Help please! Thanks! :)

Mathematics
1 answer:
solniwko [45]3 years ago
7 0

Answer:

57

Step-by-step explanation:

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During a sale at the market​, steaks sold for ​$2 and watermelons sold for ​$1.50. Declan spent ​$10 and bought a total of 6 ste
Airida [17]

Answer:

Step-by-step explanation:

During a sale at the market​, steaks sold for ​$2 and watermelons sold for ​$1.50. Declan spent ​$10 and bought a total of 6 steaks and watermelons. How many of each did he ​buy?

Let us represent

Steaks = x

Water melons = y

Our system of equations is given as:

x + y = 6.. Equation 1

x = 6 - y

During a sale at the market​, steaks sold for ​$2 and watermelons sold for ​$1.50.

$2× x + 1.5 × y = $10

2x + 1.5y = 10... Equation 2

Substitute

2(6 - y) + 1.5y = 10

12 - 2y + 1.5y = 10

12 - 10 = 2y - 1.5y

2 = 0.5y

y = 2/0.5

y = 4

7 0
3 years ago
If you borrow $450.00 at a 5% interest, how much will you pay in one month?
BlackZzzverrR [31]

Answer: Between about 31 and 33 dollars per month

Step-by-step explanation:

5 0
3 years ago
Which of the following correctly expresses the number below in scientific notation? 0.00000765
Y_Kistochka [10]
Start with 7.65. Then count the zeros to the left of the decimal place.

Should be 7.65 * 10^-6
5 0
4 years ago
For the rhombus, what are the slopes of the two diagonals? DO NOT introduce any new variables.
Jobisdone [24]

The slopes of the two diagonals of the rhombus are: A. b - f/a - e and -a + e/b - f.

<h3>What is the Slope of a Line Segment?</h3>

To find the slope, the formula used is: change in y/change in x.

If two lines are perpendicular to each other, their slope values will be negative reciprocals.

<h3>What is the Diagonals of a Rhombus?</h3>

In a rhombus, the two diagonals in the rhombus bisects each other at angle 90 degrees. This means that the two diagonals of a rhombus are perpendicular to each other. Therefore, the slope of the diagonals of any rhombus would be negative reciprocals.

The slope of the diagonals of the rhombus given would therefore be negative reciprocals to each other.

Given two endpoints of one of the diagonals as:

(a, b) = (x1, y1)

(e, f) = (x2, y2)

Slope (m) = change in y / change in x = b - f/a - e

The negative reciprocal of b - f/a - e is -a + e/b - f.

Therefore, the slopes of the two diagonals are: A. b - f/a - e and -a + e/b - f.

Learn more about the slopes of diagonals of a rhombus on:

brainly.com/question/3050890

#SPJ1

5 0
2 years ago
What is the measure of angle z in this figure? Enter your answer in the box. z = ° Two intersection lines. All four angles forme
soldi70 [24.7K]
X= 56, y= 124 z=56 because they are vertical angles
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3 years ago
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